I had noticed this screen slowdown on my XPro2. It doesn't bother me one bit as it reverts instantly with a half press of the shutter button. The power management menu of the XPro2 also allows you to switch this off. I can definitely see Mikes issue with the screen refresh rate. After all I'm assuming the X-H1 is primarily for fast action. Why would Fuji build in a power save feature that can't be turned off ?